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Proceedings Paper

Photoemissive thin film with strange property for laser pulse detection
Author(s): Q. D. Wu; W. M. Liu; J. L. Wu; Y. W Dong; Z. Q. Xue; Bernard Cunin; H. Gress; Francine Heisel; T. Picornell; Joseph-Albert Miehe
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Paper Abstract

A kind of photoemissive thin film which can be exposed or stored in the atmosphere and can be used again in a vacuum system without any activation process for laser pulse detection is presented. They are different from usual photoemissive materials, since they do not contain alkali elements. They consist of metallic oxide thin film or other material thin film embedded with metallic ultrafine particles. A main interesting material is barium oxide thin film embedded with Ag ultrafine particles. This thin film can detect single laser pulse or laser pulses with high repetition frequencies (approximately 108 pulses/sec.), pulse duration ns to ps, and energy mJ to nJ per pulse.

Paper Details

Date Published: 1 April 1993
PDF: 4 pages
Proc. SPIE 1982, Photoelectronic Detection and Imaging: Technology and Applications '93, (1 April 1993); doi: 10.1117/12.142002
Show Author Affiliations
Q. D. Wu, Peking Univ. (China)
W. M. Liu, Peking Univ. (China)
J. L. Wu, Peking Univ. (China)
Y. W Dong, Peking Univ. (China)
Z. Q. Xue, Peking Univ. (China)
Bernard Cunin, Ctr. de Recherches Nucleaires (France)
H. Gress, Ctr. de Recherches Nucleaires (France)
Francine Heisel, Ctr. de Recherches Nucleaires (France)
T. Picornell, Ctr. de Recherches Nucleaires (France)
Joseph-Albert Miehe, Ctr. de Recherches Nucleaires (France)


Published in SPIE Proceedings Vol. 1982:
Photoelectronic Detection and Imaging: Technology and Applications '93

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